package com.qf.dao.impl;

import com.qf.dao.GoodsDao;
import com.qf.pojo.Goods;
import com.qf.utils.DBUtil;
import org.apache.commons.dbutils.QueryRunner;
import org.apache.commons.dbutils.handlers.BeanHandler;
import org.apache.commons.dbutils.handlers.BeanListHandler;

import java.sql.SQLException;
import java.util.List;

/**
 * @author mkr
 * @version V1.0
 * @Project java2203-mkr
 * @Package com.qf.dao.impl
 * @Description:
 * @Date 2022/5/24 16:37
 */
public class GoodsDaoImpl implements GoodsDao {
    //创建dbUtils工具
    private QueryRunner queryRunner = new QueryRunner(DBUtil.getDateSource());

    /**
     * 添加商品
     * @param goods
     */
    @Override
    public void insertGoods(Goods goods) {
        String sql = "insert into tb_goods(name , pubdate , picture , price , star , intro , tid ) value(?, ?, ?, ?, ?, ?, ?)" ;
        try {
            queryRunner.update(sql, goods.getName() , goods.getPubdate() , goods.getPicture(),
                    goods.getPrice() , goods.getStar() , goods.getIntro() , goods.getTid());
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

    /**
     *
     * @return
     */
    @Override
    public List<Goods> findGoodsAll() {
        String sql = "select a. * , b.name typeName from tb_goods a " +
                "LEFT join tb_goods_type b on a.tid = b.id";
        try {
            List<Goods> list = queryRunner.query(sql, new BeanListHandler<Goods>(Goods.class));
            return list ;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    public Goods findById(Integer id) {
        String sql = "select * from tb_goods where id =?";
        try {
            Goods goods = queryRunner.query(sql, new BeanHandler<Goods>(Goods.class), id);
            return goods;
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return null;
    }
}
